This jaw-dropping 19th-century bridge uses its reflection to form what appears to be a perfect circle.

Most-visited and most-photographed slot canyon in the American Southwest.

A collision of human error and natural geothermal pressure created this rainbow-colored geologic wonder.

Rippling sand dunes frozen in the Arizona rock.

An exquisite tunnel of cascading flowers.

One of the few remaining casualties of the London Blitz, this destroyed church has become an enchanting public garden.

A psychedelic labyrinth on the San Francisco bay.

London's creepiest cemetery was once the site of dueling magicians and mobs of stake-carrying vampire hunters.

These layered sandstone mountains in China look like they are made of pressed crayons.

Strange rock formations tower above the river that snakes through this enchanting Icelandic canyon.

A one-ton statue of Steve Rogers beautifies the entry to a Brooklyn Bed, Bath & Beyond.

There's an exclusive Beefeaters pub hidden in the Tower of London.

The last four extravagant street signs of London's historic banking street.

This mysterious and unique painting is filled with symbolism.

You'd never know the houses at 23-24 Leinster Gardens were fakes—until you see the train tracks on the other side.

Several plaster noses are hidden in plain sight around London's Soho neighborhood.

This ornate Victorian marketplace was the setting for Diagon Alley and the Leaky Cauldron in the Harry Potter films.

A portly statue of a golden boy commemorates an unusual cause of the Great Fire of London: the sin of gluttony.

A statue marks the exact spot where The Boy Who Never Grows Up made his first literary appearance.

A kaleidoscopic warehouse-maze of handmade neon signs.

This 1920s Dutch barge is now a floating bookstore.

This beautiful deer park was built so King Charles I and his court could go hunting while escaping a deadly plague outbreak.

A living memorial to the trees London lost during the Great Storm of 1987.

A labyrinth hides in plain sight at each of the city's 270 Tube stations.